Cu₂WS₄ is a copper-tungsten sulfide compound that belongs to the family of transition metal chalcogenides, a class of materials attracting research attention for their electronic and catalytic properties. This is primarily an experimental material in early-stage development rather than an established commercial product. The material's combination of multiple metal centers (copper and tungsten) with sulfur ligands positions it as a candidate for energy storage, catalysis, or photovoltaic applications where tunable electronic structure is advantageous.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 2,250.5 | ksi | — | ||
| ↳ | 5,186.5 | ksi | — | ||
Poisson's Ratio(ν) | 0.2300 | - | — | ||
Shear Modulus(G)2 entries | 1,322.1 | ksi | — | ||
| ↳ | 3,296.7 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1745 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.9010 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 6.350 | - | — | ||
| ↳ | 7.784 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.3410 | C/m² | — | ||
| ↳ | 0.01844 range 0.00825–0.02862median of 2 measurements | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | 1,052.2 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.07520 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.5019 | eV/atom | — |